US3798196A - Sulfur containing organo-organo-oxysilane - Google Patents

Sulfur containing organo-organo-oxysilane Download PDF

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Publication number
US3798196A
US3798196A US00163467A US3798196DA US3798196A US 3798196 A US3798196 A US 3798196A US 00163467 A US00163467 A US 00163467A US 3798196D A US3798196D A US 3798196DA US 3798196 A US3798196 A US 3798196A
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Prior art keywords
organo
sulfur
compounds
propyl
silane
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Expired - Lifetime
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US00163467A
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G Rocktaeschel
F Thurn
H Westlinning
H Fleischhauer
W Schwarze
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DEUTSCHE GOLD SILBER SCHEIDEANSTALT DT
Evonik Operations GmbH
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Degussa GmbH
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/10—Compounds having one or more C—Si linkages containing nitrogen having a Si-N linkage
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/548—Silicon-containing compounds containing sulfur

Definitions

  • R and R are univalent organicresidues,- Xqisa atoms.
  • the compounds are us'efulas additives toflcro p linkable. mixtures containing organiclpolymergsa
  • the invention relatesto useful sulfur containingorg'anoorganooxysilanes exerting two important functions-" and their main rubber mixtures.
  • halogenorgano halosilanes formed can be reacted with various alcohols. Thereare formed halogenorgano organooxysilanes, for example using the above mentioned 7 3-halogenpropyltrichlorosilanes a reaction occurs according to the following equation where R is an organic group attached to the alcoholic hydroxyl group. There are formed accordingly 3-halogenpropyltrialkoxysilanes.
  • the alkoxysilanes are also desigfiated as oxysfilanes (see Ullmanns Enzyklop'aldie der Technischen Chemie, vol. 15 (1964), p 762).
  • halogenorgano-organooxysilanes formed from the reaction product of silicochloroform and a preferably lower monovalent alcohol which can' be added to unsaturated halohydrocarbons according to the equation H a)a )a
  • platinum compounds are required a ca l s v sulfur'containing organo-organooxysilanes of the invention are ;prepared by reaction of halogenorganoorganooxysilanes with organic sulfur compounds, preferably withmetal or ammonium salts.
  • the reaction proceeds accordingto'the general equation Reaetion I is preferably carried out in solution, e.g. in inert organicv solvent.
  • the solvent is preferably chosen so that the salt A-Me is soluble therein .while on the;
  • acceptors are tertiary amines such as triethylamine, tripropylamine, etc.
  • ammonium, hydrocarbonfjsubstituted ammonium e.g. tetramethyl ammonium, triethyl ammonium, diethyl ammonium, a metal of the alkali or alkaline earth metal group, e.g .sodiun 1, potassium, rubidium, cesium, barium,
  • lithe terms have the calciurii ⁇ strontium or'magnesium, as well as manganese, iron, cobalt, nickel, zinc, cadmium or copper in equiv-' alence to A, e.g. NaA or Ca(A
  • Me signifies ammonium,-'-'sodium or'potassiiim- 1 Hal: a halogen of the group'of Cl, Brand I (i.e. halogen of atomic weight 35, 80 resp. 127.); preferably chlorine or bromine, (halogen of atomic weight 35 resp. 80).
  • X is a divalent hydrocarbon group, saturated or unsaturated, branched or straight chain, however, having" at least 3 carbonato'ms in the main chain, acyclic, cyclic with 5? 3 to 18 carbon atoms whose hydrogen atoms in a given can also be contains 1 to 3 carbon atoms), and in which the organic case can be substituted by fluorine, pseudohalogen (see a a t 4 N Rompps Chemisches worterbuch (1969), p. 707, e.g. U A
  • thiocyanate phenyl, halophenyl (e.g. chlorophenyl or I I bromophenyl), alkyl or dialkylphenyl (in which the alkyl N HS residue X can -be interrupted by one or up to four heteroatoms (oxygen, nitrogen, sulfur and/or phosphorus) or R6 can form a heterocyclic group with these hetero atoms; SH preferably X is CH ,(CH CH (n is 1 to 15, l R
  • R indicates a univalenthydro- 1 carbon group, saturated or unsaturated, branched or a (lJ straight chain, acyclic or cyclic; a heterocyclic or hetero- H 1H6 aromatic group; all these respectively with 1 to 15 carbon atoms and 1 to 5 heteroatoms from the group of nitrogen, oxygen and sulfur.
  • R 5 Q means N; H N- and 6 H R7 CH3 N- p 3
  • the first two named groups for R are particularly advantageous.
  • R2 and R3 Same different are y g
  • the various sulfur containing organo-organooxysilane alkyl 0f 1 t0 5 carbon atoms, y cycloalkyl With,5 10 compounds of the invention in general can be obtained 7 Carb atoms both together With the nitrogen atom according to Equations I and II by variation of the comform a ring having 5 to 8 atoms with up to one further 5 pound or the compound without nitrogen Oxygen Sulfur atom-
  • R means ing a special synthesis for each new compound.
  • the sulfur hydrocarbon p Saturated unsaturated, ethyl containing organo-organooxysilanes can be made industri-' ellically unsaturated, branched straight ,chain with 1 ally in a very favorable manner from inexpensive starting to 8 (Iafboh atoms hetelocyclic groulis with P to 3 materials.
  • H I polybutadiene, butadiene-styrene copolymer, butadiene- I I acrylonitrile copolymer, terpolymers such as polymers of I v ethylene-propylene cyclooctadlene, ethylene-propylenenorbornadiene, ethylene propylene dicyclopentadiene,
  • R are the Same or different andhve etlgl'jlenelpropylene-cyclododecatriene, furthermore butyl ru er e c. 1 the followmg.slgmficance alkyl of 1 t lm.
  • Z is include -Si(OCHa):, -Si(OCHCH:)a, si ocmcmcm)a.
  • the new sulfur containing organo-organooxysilanes can be prepared in the manner disclosed below.
  • the 3-thiocyanatopropyl triethoxy silane was further defined by its IR-spectra characteristics.
  • the reaction can also be carried out in ethanol as the reaction medium.
  • the sodium ethyl xanthw genate is advantageously produced in situ.
  • EXAMPLE III 3-thiocyanatopropyl tri-n-butoxy silane 24.3 grams of potassium thiocyanate were dissolved in 900 ml. of n-butanol and the solution heated to boiling. Then there were added dropwise in about 30 minutes 81.3 grams of 3-chloropropyl tri-n-butoxy silane. After a further 20 hours of boiling at reflux temperature the precipitated potassium chloride was separated otf with a Seitz filter. The solvent was distilled 011 from the filtrate and the 3-thiocyanato-propyl tri-n-butoxy silane distilled in vacuo. B.P. 128129 C., yield 85% based on the weight of the 3-chloropropyl tri-n-butoxy silane.
  • EXAMPLE IV a 1,3-(3-thiocyanatopropyl)-1,1,3,4-tetramethoxy I disiloxane 45.2 grams of sodium thiocyanate were dissolved in 300 ml. of dimethylformamide and the solution heated to 140 C. Then there were added in about 60 minutes 98 grams of 1,3-(3-chloropropyl)-l,l,3,3-tetramethoxy disiloxane. 'After a further 30 minutes heating the reaction was practically completed.
  • the 1,3-(3-thiocyanatopropyl)-1,1,3,3-tetramethoxy disiloxane was further defined by its IR-, NMR- and massspectra.
  • the working properties of the mixtures are disadvantageously influenced, for example, the scorch time is greatly shortened. This means a reduction of the working safety. Further the Defo elasticity (see following Table I) is greatly increased which indicates an increase in the elastic rubber portion in the crude mixture and results in increased difficulties in their further working, for example, in extruding processes.
  • the compounds of the invention on the one hand extensively produce the advantages of 3-mercaptopropyl trimethoxy silane but on the other hand more favorably influence the working properties of the rubber-filler mixtures.
  • many of the compounds of the invention are ac cessible in a very economical manner because of their simple process of production with good yields and the ready availability of the starting materials and in addition are excellent for industrial duty.
  • the sulfur containing organo-organooxysilanes can be added directly, for example, to the rubber mixture. In this connection it is not necessary to hydrolyze the organo-organooxysilanes before the addition. Especially, themoisture present in the mixture causes a partial hydrolysis which, for example, is necessary in the presence of silica containing compounds or silica fillers to produce siloxane bridges or in the presence of other inorganic materials in the starting mixture for building other bonds, for example, oxygen bridges through the splitting out of water from hydroxyl groups.
  • the sulfur containing organo-organooxysilanes can, however, with advantage must not be used coated on inorganic materials, for example, as fillers which means a process advantage,
  • the inorganic fillermaterial can beza mixture of at least two different rubber reinforcing fillers, e.g., silica and carbon black.
  • the inorganic filler material may be introduced into the composition per se or pretreated with thesaid sulfur containing organo-organooxysilanes, e.g. coated with the sulfurcontaining organo-or ganooxysilanes or the filler material, maybe sprayed or dusted with said sulfur containing organo-organooxy silanes.
  • Styrenebutadiene rubber Type 1500
  • Precipitated silica Ultrasil VN3
  • Zinc oxide Stearic acid Dibenzothiazyldisulfide Diphenylguanidine Sulfur 3-mercaptopropyl trimethoxy silane (according state of the art)
  • Example V-3-thiocyanatopropyl triethoxy silane Example VI-3-thiocyanatopropyl tri-n-butoxy Q Q
  • Example VII-3-trlethoxysilylpropylethylxsmth nap are Example VIII-2-dietliyl- I amino-4-mercapto-6- 1- (3-triethoxysilyli propyl) -tl1iotriazine 1 5 Test results: 1
  • Defo hardness (g.) 3, 050 2, 200 1,950 2, 250 1,900 '2, 300
  • the Mooney scorch t me is also designated as pre-vnlcarnzation time ty, and the Mooney cure tame as prevulcanization time tas).
  • the increase in modulus to more than double that of the blank is related to a high degree of crosslinking.
  • the increase in rebound compared to the blank indicates more favorable dynamic properties.
  • the increase of the Shore hardness compared to'the' blank can otherwise frequently only be attained by increase in the portion of filler in the mixture.
  • test mixture No. 2 state of thear't
  • Defo elasticity and pre-vulcanizationtime t as'well as t which makes it substantially easier or first makes it p0 sible to handle such a mixture in the plant.
  • test mixture 10 The measurements were made, as in1ExairrplesfV to VIII (Table I). The advantages of test mixture 10 are essentially equal to those in. the previous examples.
  • EXAMPLE m The activity of 3-thiocyanatopropyl tri -n propoxy silane is shown in the following natural rubbierlmixture containing Aerosil, i.e. pyrogenic silica. The amounts are given in parts by weight. The measurements were made in the same manner as in Table I.
  • TEST RESULTS Defo hardness (g.) 2, 300 1, 650 Deio elasticity (pereent)-- v 29 24 Mooney-scorch time (min 18 13 Mooney-cure time (min.)- 21 15 Tensile strength (k ./cm. 26 4 284 Modulus 300% (kp. emfi) 670 600 Rebound (percent) r -52 56 Shore har 64 66 Nora-. The vulcanization was accomplished at C. and the vul canization time was 20 minutes.
  • test mixture 15 was composed of the following'Qconstit-utents (in parts by weight).
  • StyreIie-but'adiene rubber (Type 1500) 100 Ultrasil VN3 40 Zinc oxide r 4 Ste'aric acid 2- 3-thiocyanatopropyl triethoxy silane -Q 3 Sulfur vulcanization time was 60 minutes and the following test results wereobtained. v
  • c ro sslinking agents there can be added in giyen case known reaction accelerators and furtherrr iori' i i afgive'ri'ca'se one or more compounds of the groupoff' antioxidants (antiagers), processing-aids, plasticizers and heat or light stabilizers which are known in plastic tech nology.
  • groupoff' antioxidants antioxidants
  • processing-aids plasticizers
  • heat or light stabilizers which are known in plastic tech nology.
  • vulcanization thereare added to the mixture vulcanization agents, especially sulfur and/or sulfurlibcrating compounds, e.g.
  • N,N'-dithiobis morpholine, dipent'famethyl'ene' thiuramtetrasulfide, N,N-dithiobis hexaliydro 2H a'zepinone-(2), Z-b'nzthiazyl dithio-N-morpholide'etc. and in a given case ofvulcanization accelera-' tors; additionally therecan be included and homogeneously -' distributed in these mixtures one or moreflcom-w pounds O..the-; gr oup of rubber antioxidants processing;
  • the sulfur containing organo-organooxysilane manifestly acts in the crosslinking or vulcanization reaction.
  • compounds of the class A(b) which contain the thioether group must contain one or more additional vulcanization active groups as for example the 2,4-dimercapto-1,3,5-triazinyl group and/ or one or more additional vulcanizable groups as for instance the allyl group or other groups having nonbenzoid carbon to carbon unsaturation.
  • inorganic materials can be added as fillers, pigments, fibers or the like. Of especial advantage in this regard there are preferably added as inorganic filler materials substances which are designated in the rubber industry as reinforcing fillers. These preferred additives are especially based on silica of various Origin or such silica (silicon dioxide) containing oxide mixtures and mxed oxides, namely oxide compounds of metals such as aluminium, magnesium, calcium, barium, zinc, iron, zirconium or titanium, e.g. alumina, magnesium oxide, calcium oxide, barium oxide, zinc oxide, ferric oxide, zirconia, titania, aluminium silicate, talc, asbestos etc. including oxides (mixed oxides) of two or more of said metals.
  • silica silica
  • silica silica
  • oxide mixtures and mxed oxides namely oxide compounds of metals such as aluminium, magnesium, calcium, barium, zinc, iron, zirconium or titanium, e.g
  • Those oxide compounds which are also designated as highly dispersed or finely divided materials are preferably produced in the gas phase by oxidative or hydrolytic decomposition, namely emanating from volatile metal or metalloid halogenides. Also well suited are those obtained by precipitation of a soluble compound of the above named elements, e.g. of a soluble silicate.
  • a soluble compound of the above named elements e.g. of a soluble silicate.
  • the inorganic materials natural silicates or silicates produced chemically such as asbestos, wollastonite, kaoline, talc as well as quartz, sand, clay, carbon black or the like or glass in the form of fibers, mats, fabrics or other fiber products or structures as well as compact varieties or metal fibers, e.g. aluminium or steel fibers.
  • the new sulfur containing organo-organooxysilanes have valuable properties; they possess in the sense of the present invention bifunctional activity.
  • the new oxysilanes promote, for example, the vulcanization or crosslinking of elastomer or rubber mixtures. Even without addition of conventional accelerators or activators there are obtained with the compounds of the invention at the customary crosslinking or vulcanization temperatures and times vulcanizates with normal use and test data. They also act as coupling agents.
  • the binding (coupling) capacity for example, to silica or silicate surfaces occurs through the trialkoxysilane group by chemical reaction forming Si--OSi bridges or by chemisorption. This binding property is also true of the compounds of group A(b) of the invention.
  • the activity of the sulfur containing organo-organooxysilanes is especially advantageous in rubber mixtures for the production of tires which contain the so-called light reinforcing fillers, also they develop valuable prop erties in tire production using glass fibers, yarn, cloth, fiber quilt or similar structures, wherein there are employed, for example, styrene-butadiene rubber, butadiene rubber, natural rubber, cis-isoprene rubber or the like elastomers.
  • styrene-butadiene rubber butadiene rubber
  • natural rubber cis-isoprene rubber or the like elastomers.
  • white or colored tires or tire treads with the help of the new compounds from rubber and light reinforcing fillers.
  • the usable types of rubbers there should also be included the usual known diene rubbers, nitrile rubbers, terpolymers, for example, of ethylene, propylene and dienes or trienes etc.
  • the sulfur containing organo-organooxysilanes can be added in an amount of 0.1 to 20%, preferably 0.5 to based on the weight of the organic polymer.
  • sulfur and/or sulfur liberating compounds for the vulcanization of the rubbery polymers there can be added sulfur and/or sulfur liberating compounds in an amount of 0.2 to 4 weight parts per 100 weight 12 parts of the rubbery polymer of the types mentioned above.
  • the inorganic filler material can be added to the mixtures (compositions) in an amount of 5 to 100 parts by weight (preferably 10 to parts by weight) per parts by weight of said rubbery polymers.
  • compositions may include 2 to 5 parts by weight of zinc oxide and 0.5 to 3 parts by weight of an accelerator.
  • a composition comprising an ethylenically unsaturated vulcanizable rubber, an inorganic filler material, at least one member of the group consisting of sulfur and a sulfur liberating substance and a sulfur containing organoorganooxysilane of the formula A-XZ where X is either (1) a divalent acyclic or cyclic hydrocarbon group having at least 3 carbon atoms in the main chain and when cyclic not over 18 carbon atoms, (2) or such a cyclic hydrocarbon having a hydrogen replaced by fluorine, pseudohalogen, phenyl, halophenyl, monoalkyl or dialkyl phenyl in which the alkyl contains 1 to 3 carbon atoms; and
  • R and R" are alkyl of 1 to 12 carbon atoms.
  • composition according to claim 1 wherein Z is Si(OR) 5.
  • composition according to claim 1 wherein it contains a vulcanization accelerator 7.
  • composition according to claim 1 wherein the inorganic filler material is a rubber reinforcing filler.
  • composition according to claim 1 wherein the inorganic filler material is a mixture of at least two different reinforcing fillers.
  • composition according to claim 8 wherein the filler is a metal oxide or a metalloid oxide.
  • a composition according to claim 8 wherein the filler is a finely divided oxide, mixed oxide or oxide mixture of at least one member of the group of elements consisting of aluminium, silicon and magnesium.
  • a composition according to claim 1 wherein the inorganic filler material is silicate glass or quartz.
  • a composition according to claim 13 wherein the rubber is a butadiene homopolymer, an isoprene homopolymer, butadiene-styrene copolymer, butadiene-acrylonitrile copolymer or ethylene-propylene-polyene terpolymer.
  • composition according to claim 14 wherein the inorganic filler material is a material pretreated with said organo-org-anooxysilane.

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US00163467A 1970-07-18 1971-07-16 Sulfur containing organo-organo-oxysilane Expired - Lifetime US3798196A (en)

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Application Number Priority Date Filing Date Title
DE2035778A DE2035778C3 (de) 1970-07-18 1970-07-18 Thiocyanatopropyl-organooxYsilane und sie enthaltende Formmmassen

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BE (1) BE770097A (xx)
CA (1) CA975366A (xx)
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DE (1) DE2035778C3 (xx)
ES (1) ES393224A1 (xx)
FR (1) FR2098031A5 (xx)
GB (1) GB1355265A (xx)
HU (1) HU163853B (xx)
IT (1) IT942132B (xx)
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Cited By (36)

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US3957718A (en) * 1974-01-10 1976-05-18 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler Compositions containing silica, a phenoplast or an aminoplast, and a silane
US4002594A (en) * 1975-07-08 1977-01-11 Ppg Industries, Inc. Scorch retardants for rubber reinforced with siliceous pigment and mercapto-type coupling agent
US4278585A (en) * 1979-07-31 1981-07-14 Phillips Petroleum Company Rubber compositions
US4482663A (en) * 1982-07-12 1984-11-13 Phillips Petroleum Company Rubber compositions comprising a siliceous filler in combination with an organosulfur substituted pyridine promotor
US4753976A (en) * 1985-08-28 1988-06-28 Shin-Etsu Chemical Co., Ltd. Heat resistant rubber composition having improved mechanical properties
US5621032A (en) * 1991-10-10 1997-04-15 Elastochem, Inc. Fluxed composites
US5714257A (en) * 1994-11-03 1998-02-03 Kimberly Clark Co Silane modified elastomeric compositions and articles made therefrom
EP1270581A2 (en) * 1997-08-21 2003-01-02 Crompton Corporation Blocked mercaptosilane coupling agents for filled rubbers
US20050277717A1 (en) * 2002-07-09 2005-12-15 Joshi Prashant G Silica-rubber mixtures having improved hardness
US20060041063A1 (en) * 2004-08-20 2006-02-23 Cruse Richard W Cyclic diol-derived blocked mercaptofunctional silane compositions
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US20060281841A1 (en) * 2004-07-30 2006-12-14 Weller Keith J Silane compositions, processes for their preparation and rubber compositions containing same
US20070197812A1 (en) * 2006-02-21 2007-08-23 Antonio Chaves Organofunctional silanes and their mixtures
US20070197725A1 (en) * 2006-02-21 2007-08-23 Antonio Chaves Rubber composition containing organofunctional silane
US20070197813A1 (en) * 2006-02-21 2007-08-23 Antonio Chaves Process for making organofunctional silanes and mixtures thereof
US20070228322A1 (en) * 2006-02-21 2007-10-04 Antonio Chaves Free flowing filler composition based on organofunctional silane
US20080039562A1 (en) * 2006-08-14 2008-02-14 General Electric Company Rubber composition and articles therefrom both comprising mercapto-functional silane
US20080039645A1 (en) * 2006-08-14 2008-02-14 General Electric Company Mercapto-functional silane
US20080039561A1 (en) * 2006-08-14 2008-02-14 General Electric Company Free flowing filler composition comprising mercapto-functional silane
US20080161459A1 (en) * 2006-12-28 2008-07-03 Cruse Richard W Silated cyclic core polysulfides, their preparation and use in filled elastomer compositions
US20080161460A1 (en) * 2006-12-28 2008-07-03 Continental Ag Tire compositions and components containing free-flowing filler compositions
US20080161590A1 (en) * 2006-12-28 2008-07-03 Cruse Richard W Blocked mercaptosilane coupling agents, process for making and uses in rubber
US20080161452A1 (en) * 2006-12-28 2008-07-03 Continental Ag Tire compositions and components containing silated core polysulfides
US20080161462A1 (en) * 2006-12-28 2008-07-03 Continental Ag Tire compositions and components containing silated cyclic core polysulfides
US20080161461A1 (en) * 2006-12-28 2008-07-03 Cruse Richard W Free-flowing filler composition and rubber composition containing same
US20080161463A1 (en) * 2006-12-28 2008-07-03 Cruse Richard W Free-flowing filler composition and rubber composition containing same
US20080161477A1 (en) * 2006-12-28 2008-07-03 Cruse Richard W Silated core polysulfides, their preparation and use in filled elastomer compositions
US20080161486A1 (en) * 2006-12-28 2008-07-03 Continental Ag Tire compositions and components containing blocked mercaptosilane coupling agent
US20090111923A1 (en) * 2007-10-31 2009-04-30 Ping Jiang Halo-functional silane, process for its preparation, rubber composition containing same and articles manufactured therefrom
US20100222504A1 (en) * 2007-10-08 2010-09-02 Wacker Chemie Ag Silane-substituted raft-reagents and silane-cross-linkable polymers
JP2010285414A (ja) * 2009-06-12 2010-12-24 Kawaguchi Kagaku Kogyo Kk ゴムの耐リバージョン性，耐熱性および耐屈曲性を向上させる新規加硫剤
US7968633B2 (en) 2006-12-28 2011-06-28 Continental Ag Tire compositions and components containing free-flowing filler compositions
US8008519B2 (en) 2006-08-14 2011-08-30 Momentive Performance Materials Inc. Process for making mercapto-functional silane
CN106800571A (zh) * 2017-01-17 2017-06-06 荆州市江汉精细化工有限公司 一种环状含硫硅烷低聚物及制备方法
CN106831852A (zh) * 2017-01-25 2017-06-13 湖北新蓝天新材料股份有限公司 一种硫氰基丙基三乙氧基硅烷的合成方法
US11292903B2 (en) * 2017-05-12 2022-04-05 Lanxess Deutschland Gmbh Rubber mixtures containing sulfur-containing organosilicon compounds

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GB1310379A (en) * 1970-12-10 1973-03-21 Ppg Industries Inc Tire tread
DE3821670A1 (de) * 1988-06-28 1990-01-11 Huels Chemische Werke Ag Haftvermittler fuer vulkanisierbare mischungen aus ungesaettigten kautschuken und siliciumhaltigen fuellstoffen
DE4100218A1 (de) * 1991-01-07 1992-07-09 Degussa Durch waermeentwicklung vulkanisierbare formmassen ii
DE4100217A1 (de) * 1991-01-07 1992-07-09 Degussa Mit peroxiden vulkanisierbare formmassen und ein verfahren zur herstellung
DE4128203C1 (xx) * 1991-08-26 1993-05-13 Degussa Ag, 6000 Frankfurt, De
DE10015309A1 (de) * 2000-03-28 2001-10-18 Degussa Kautschukmischungen
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GB1355265A (en) 1974-06-05
DE2035778B2 (de) 1979-10-04
AU462120B2 (en) 1975-06-19
AU3115071A (en) 1973-01-18
CH573963A5 (xx) 1976-03-31
RO84250A (ro) 1984-07-17
JPS5029741B1 (xx) 1975-09-26
CA975366A (en) 1975-09-30
DE2035778A1 (de) 1972-01-27
PL88924B1 (xx) 1976-10-30
ZA714552B (en) 1972-03-29
AT316859B (de) 1974-07-25
IT942132B (it) 1973-03-20
HU163853B (xx) 1973-11-28
NL171451B (nl) 1982-11-01
NL7109843A (xx) 1972-01-20
LU63555A1 (xx) 1971-11-23
SU545265A3 (ru) 1977-01-30
RO84250B (ro) 1984-09-30
DE2035778C3 (de) 1980-06-19
ES393224A1 (es) 1973-08-01
BE770097A (fr) 1971-11-16
NL171451C (nl) 1983-04-05
FR2098031A5 (xx) 1972-03-03

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